Introducing the Hunger for Words Talking Pet Starter Set Dog Toy! with the guidance of speech therapist and creator Christina Hunger, pet parents can now teach their furry friends to communicate using simple words. This set includes four recordable buttons to kickstart your dog's communication journey. They’re made from durable plastic and powered by AAA batteries (sold separately). Follow along with the step-by-step teaching guide and use your own voice to record words like “outside,” “play,” or “bed.” with Christina's insights and tips, your pup will be “speaking” in no time!